Словарь синонимов английского языка - pugnacious

(adj) aggressive, belligerent, combative, quarrelsome, bellicose, antagonistic, argumentative, hostile, litigious, contentious, disputatious, disagreeable, fractious, petulant, testy, irascible, hot-tempered, choleric, unfriendly, curmudgeonly, irritable, short-tempered: The Gothic tribes were very pugnacious, alwais ready to fight with little or no provocation.